19454154496 has 144 divisors (see below), whose sum is σ = 45457251840. Its totient is φ = 8137543680.

The previous prime is 19454154463. The next prime is 19454154523. The reversal of 19454154496 is 69445145491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13613110 + ... + 13614538.

It is an arithmetic number, because the mean of its divisors is an integer number (315675360).

Almost surely, 2^19454154496 is an apocalyptic number.

19454154496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19454154496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22728625920).

19454154496 is an abundant number, since it is smaller than the sum of its proper divisors (26003097344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19454154496 is a wasteful number, since it uses less digits than its factorization.

19454154496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1616 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The spelling of 19454154496 in words is "nineteen billion, four hundred fifty-four million, one hundred fifty-four thousand, four hundred ninety-six".